WN1437 MDW → LAX

Southwest Airlines · Chicago, IL to Los Angeles, CA · 18 flights observed, 2025-11-22 to 2026-01-04 · 1,751 mi

This flight has been on time less than half the time (47%) — expect a real chance of a delay.

WN1437 covers more than one route in the data window — the stats below are for MDW → LAX, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
47%
Median delay
+22 min
90th percentile
+91 min
Cancellation rate
6%

How often is WN1437 on time?

Across 18 flights on MDW → LAX from 2025-11-22 to 2026-01-04, WN1437 arrived within 15 minutes of schedule 47% of the time. The median arrival delay was +22 min, and the worst 10% of flights arrived +91 min or later. 6% of flights were cancelled.

Delay distribution

Arrival delay for completed flights (excludes cancellations and diversions).

ArrivalFlightsShare
Early / on-time847%
16-30 min212%
31-60 min424%
61-120 min16%
2+ hrs212%

Performance by month

MonthFlightsOn-timeAvg delay
2025-113100%-2 min
2025-121136%+49 min
2026-01333%+27 min

Performance by day of week

DayFlightsOn-time
Mon367%
Tue367%
Wed1100%
ThuNo data—
Fri333%
Sat425%
Sun333%

Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…